No 1" three-month competitor filters better than the Filtrete™ Micro Allergen Reduction Filter. It is up to 20 times more efficient than fiberglass filters and it delivers up to 3 months filtering performance.
Outperforms all competitors' 3 month, 1 inch filters
Captures microscopic allergens like dust, smoke and smog particles
Captures large allergens like mold spores and pet dander
Up to 3 months of filtering performance
Meets the American Lung Association Health House® program Indoor Air Quality Guidelines